1. Division of Cardiology, Loma Linda University Medical Center , 11234 Anderson St, Loma Linda, CA 92354 , USA
2. Division of Cardiology, University of Texas Southwestern Medical Center , 5323 Harry Hines Blvd, Dallas, TX 75390 , USA
3. Division of Cardiology, Henry Ford Hospital , 2799 W Grand Blvd, Detroit, MI 48202 , USA
4. Cardiology Department, Jerry L. Pettis Memorial Veterans Hospital , 11201 Benton St, Loma Linda, CA 92357 , USA
5. Section of Vascular Medicine, Department of Cardiovascular Medicine, Heart Vascular and Thoracic Institute, Cleveland Clinic Foundation , 9500 Euclid Ave, Cleveland, OH 44195 , USA
6. Division of Cardiology, Massachusetts General Hospital , 55 Fruit St, Boston, MA 02114 , USA
7. Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University , Keele, Newcastle ST5 5BG , UK
8. Department of Cardiology, Royal Stoke University Hospital , Newcastle Rd, Stoke-on-Trent ST4 6QG , UK
9. Division of Cardiovascular Medicine, Gill Heart Institute, University of Kentucky , 1000 S Limestone, Lexington, KY 40536 , USA
10. Division of Cardiology, Department of Medicine, Emory University School of Medicine , 201 Dowman Dr, Atlanta, GA 30322 , USA